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1L20 1130 Carmarthen to London Paddington
Departing on 6th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
Carmarthen [CMN]
1
1130
1130
1130
Carmarthen Jn [XCI]
pass
1132
pass
1132
Ferryside [FYS]
pass
1140½
pass
1140
Kidwelly [KWL]
pass
1144
pass
1144
Kidwelly Junction
pass
1144½
pass
1144
Pembrey & Burry Port [PBY]
1149
1150
1149
1150½
1149
1150
Llanelli [LLE]
UPL
1157
1158
1156½
1158
1156
1158
Llandeilo Jn
pass
1200½
pass
1200
Duffryn West
pass
1201
pass
1201
Gowerton [GWN]
pass
1204½
pass
1204
Cockett West
1
pass
1206
pass
1206
Swansea Loop West
1
pass
1210
pass
1209
Swansea Loop East
pass
1213
pass
1213
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service reverses here, gains coaches here
3
1216
1224
1215½
1224
1215
1224
Swansea Loop East
pass
1225½
pass
1225
Landore Junction
pass
1226½
pass
1226
Llansamlet [LAS]
pass
1229½
pass
1229
Skewen [SKE]
pass
1231½
pass
1231
Neath [NTH]
1235
1236
1234½
1236
1234
1236
Briton Ferry West Jn
pass
1238½
pass
1238
Port Talbot Parkway [PTA]
2
1242
1243
1242
1243½
1242
1243
Port Talbot East
pass
1244½
pass
1244
Margam Middle Jn
pass
1245½
pass
1245
Margam East Jn
pass
1246½
pass
1246
Margam Moors Jn.
pass
1247½
pass
1247
Pyle [PYL]
pass
1249
pass
1248
Stormy
pass
1250½
pass
1250
Bridgend [BGN]
2
1255
1256
1254½
1256
1254
1256
Tremains
pass
1257
pass
1257
Pencoed Up Passenger Loop
pass
1259½
pass
1259
Pencoed [PCD]
pass
1300
pass
1259
Llanharan [LLR]
pass
1302
pass
1302
Llantrisant [LTI]
pass
1303½
pass
1303
Pontyclun [PYC]
1
pass
1304
pass
1304
Miskin
pass
1306
pass
1305
St Fagans L C
pass
1310½
pass
1310
Leckwith North Jn
pass
1313
pass
1312
C
Cardiff West
pass
1315½
pass
1315
Cardiff Central [CDF]
Pathed as Class 80x on electric from here
2
1317
1320
1316½
1320
1316
1320
B
Cardiff East
pass
1320½
pass
1320
Long Dyke Jn
pass
1322
pass
1322
ML
Moorland Road Junction
pass
1322½
pass
1322
Pengam Jn
pass
1323
pass
1322
Rumney River Bridge Jn
pass
1323
pass
1323
Marshfield
pass
1326
pass
1326
Ebbw Jn
pass
1328½
pass
1328
Gaer Jn
pass
1329½
pass
1329
Newport (South Wales) [NWP]
3
1331
1333
1331
1333
1331
1333
Maindee West Jn
pass
1334
pass
1334
Maindee East Jn
pass
1334½
pass
1334
East Usk Jn.
pass
1335
pass
1335
Llanwern West Jn
pass
1336
pass
1336
Magor
pass
1340
pass
1339
Severn Tunnel Junction [STJ]
4
pass
1341½
pass
1341
Severn Tunnel West
pass
1342½
pass
1342
Severn Tunnel East
pass
1346
pass
1346
Pilning [PIL]
1
1
pass
1347
pass
1347
Patchway [PWY]
1
1
pass
1350½
pass
1350
Bristol Parkway [BPW]
3
1353
1357
1353
1357
1353
1357
Westerleigh Jn
pass
1400½
pass
1400
Chipping Sodbury
pass
1402
pass
1401
Badminton
pass
1404
pass
1404
Hullavington
pass
1407
pass
1407
Little Somerford
pass
1409½
pass
1409
Wootton Bassett Jn
1
pass
1413½
pass
1413
Swindon [SWI]
1
1419
1421
1419
1421
1418
1421
Highworth Jn
pass
1422
pass
1421
Swindon Stratton Green
pass
1422½
pass
1422
Swindon South Marston Jn
pass
1423
pass
1422
Bourton
pass
1424
pass
1424
Uffington (Oxfordshire)
pass
1427½
pass
1427
Challow
pass
1429
pass
1429
Wantage Road
1
pass
1430½
pass
1430
Steventon
pass
1433
pass
1432
Milton Junction
pass
1433½
pass
1433
Foxhall Jn [XJF]
pass
1434½
pass
1434
Didcot West End
pass
1435
pass
1434
Didcot Parkway [DID]
2
pass
1435
pass
1434
ML
Didcot East Jn
pass
1435
pass
1435
Moreton Cutting
pass
1436
pass
1435
Cholsey [CHO]
pass
1437
pass
1437
Goring & Streatley [GOR]
1
pass
1439
pass
1438
ML
Pangbourne [PAN]
pass
1441
pass
1440
Tilehurst [TLH]
pass
1443
pass
1442
Tilehurst East Jn.
pass
1443½
pass
1443
Reading High Level Jn
pass
1444½
pass
1444
ML
Reading Main Line West
pass
1445
pass
1444
Reading [RDG]
10
1446
1448
1446
1448
1445
1448
UML
Reading Main Line East
pass
1448½
pass
1448
Kennet Bridge Jn
pass
1449
pass
1449
ML
Twyford West
pass
1451½
pass
1451
Twyford [TWY]
2
pass
1452
pass
1452
ML
Ruscombe
pass
1452½
pass
1452
Maidenhead [MAI]
2
pass
1455½
pass
1455
ML
Maidenhead East
pass
1456
pass
1455
Taplow [TAP]
pass
1456½
pass
1456
Burnham [BNM]
pass
1457
pass
1457
Slough West
pass
1458
pass
1458
Slough [SLO]
3
pass
1458½
pass
1458
ML
Dolphin Jn
pass
1459
pass
1459
Langley [LNY]
pass
1459½
pass
1459
Iver [IVR]
pass
1500½
pass
1500
West Drayton Jcn
pass
1501
pass
1500
West Drayton [WDT]
pass
1501
pass
1500
West Drayton East
pass
1501
pass
1501
Stockley Junction
pass
1501½
pass
1501
ML
ML
Heathrow Airport Jn
pass
1502
pass
1502
ML
Hayes & Harlington [HAY]
pass
1502
pass
1502
Southall West Jn
pass
1502½
pass
1502
Southall [STL]
2
pass
1503
pass
1503
ML
Southall East Jn
pass
1503
pass
1503
Hanwell [HAN]
pass
1503½
pass
1503
West Ealing Junction
pass
1504
pass
1503
West Ealing [WEA]
pass
1504
pass
1503
Ealing Broadway [EAL]
pass
1504
pass
1504
Acton West
1
pass
1504½
pass
1504
ML
ML
Acton Main Line [AML]
pass
1505½
pass
1505
Friars Jn
pass
1506
pass
1505
Old Oak Common West
pass
1506½
pass
1506
Old Oak Common East
pass
1507
pass
1506
Ladbroke Grove
pass
1508
pass
1507
ML
3
Portobello Jn (London)
1½
pass
1508½
pass
1508
3
Royal Oak Junction
pass
1511
pass
1511
3
London Paddington [PAD]
8
1512
1512
1512
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